Look up lightweight in Wiktionary, the free dictionary.
Lightweight is a weight class in combat sports and rowing.
Lightweight may also refer to:
- Light in weight
- Lightweight (company), a Japanese video game developer
- Lightweight (film), a 2004 French film
- Lightweight (MMA), a mixed martial arts division
- "Lightweight", a song by Demi Lovato from Unbroken
- Land Rover 1/2 ton Lightweight, a British military vehicle